Shelter from the storm with plenty of useful extras: the Women’s Mountain Down Jacket is a down-filled marvel that fits neatly into the best-in-class category for true winter enthusiasts. The breathable, water-shedding prowess of Marmot’s MemBrain fabric technology is married to the natural heat-retaining power of 700-fill-power goose down to create a wearable environment that’s begging to be tested in nature’s harshest playgrounds.